5145491 has 8 divisors (see below), whose sum is σ = 5782560. Its totient is φ = 4542912.

The previous prime is 5145463. The next prime is 5145493. The reversal of 5145491 is 1945415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5145491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8306 + ... + 8903.

It is an arithmetic number, because the mean of its divisors is an integer number (722820).

Almost surely, 2^5145491 is an apocalyptic number.

5145491 is a deficient number, since it is larger than the sum of its proper divisors (637069).

5145491 is a wasteful number, since it uses less digits than its factorization.

5145491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17245.

The product of its digits is 3600, while the sum is 29.

The square root of 5145491 is about 2268.3674746390. The cubic root of 5145491 is about 172.6403366844.

The spelling of 5145491 in words is "five million, one hundred forty-five thousand, four hundred ninety-one".